Statewide Rankings

Statewide Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Colorado

Precipitation Rankings, May 1937

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
May 1937
1-Month
1.29"
(32.77mm)
2.02"
(51.31mm)
-0.73"
(-18.54mm)
26th Driest
Driest since:
1974
103rd Wettest
Wettest since:
2015
Ties: 1903
Apr–May 1937
2-Month
2.43"
(61.72mm)
3.86"
(98.04mm)
-1.43"
(-36.32mm)
19th Driest
Driest since:
2002
110th Wettest
Wettest since:
1957
Mar–May 1937
3-Month
4.01"
(101.85mm)
5.37"
(136.40mm)
-1.36"
(-34.55mm)
26th Driest
Driest since:
2002
103rd Wettest
Wettest since:
1957
Feb–May 1937
4-Month
5.63"
(143.00mm)
6.46"
(164.08mm)
-0.83"
(-21.08mm)
37th Driest
Driest since:
2002
92nd Wettest
Wettest since:
1905
Ties: 1969
Jan–May 1937
5-Month
6.42"
(163.07mm)
7.52"
(191.01mm)
-1.10"
(-27.94mm)
32nd Driest
Driest since:
2002
97th Wettest
Wettest since:
1957
Dec 1936–May 1937
6-Month
7.61"
(193.29mm)
8.60"
(218.44mm)
-0.99"
(-25.15mm)
40th Driest
Driest since:
2002
88th Wettest
Wettest since:
1957
Nov 1936–May 1937
7-Month
7.96"
(202.18mm)
9.66"
(245.36mm)
-1.70"
(-43.18mm)
22nd Driest
Driest since:
2002
106th Wettest
Wettest since:
1957
Ties: 1908
Oct 1936–May 1937
8-Month
9.23"
(234.44mm)
11.00"
(279.40mm)
-1.77"
(-44.96mm)
29th Driest
Driest since:
2002
99th Wettest
Wettest since:
1995
Sep 1936–May 1937
9-Month
10.92"
(277.37mm)
12.43"
(315.72mm)
-1.51"
(-38.35mm)
36th Driest
Driest since:
2002
92nd Wettest
Wettest since:
1942
Aug 1936–May 1937
10-Month
13.54"
(343.92mm)
14.44"
(366.78mm)
-0.90"
(-22.86mm)
50th Driest
Driest since:
2002
78th Wettest
Wettest since:
1942
Ties: 1975
Jul 1936–May 1937
11-Month
15.73"
(399.54mm)
16.54"
(420.12mm)
-0.81"
(-20.58mm)
53rd Driest
Driest since:
2002
75th Wettest
Wettest since:
1942
Jun 1936–May 1937
12-Month
17.13"
(435.10mm)
18.08"
(459.23mm)
-0.95"
(-24.13mm)
49th Driest
Driest since:
2002
79th Wettest
Wettest since:
1942
Dec 1935–May 1937
18-Month
24.08"
(611.63mm)
26.70"
(678.18mm)
-2.62"
(-66.55mm)
30th Driest
Driest since:
2013
97th Wettest
Wettest since:
1942
Jun 1935–May 1937
24-Month
31.76"
(806.70mm)
36.18"
(918.97mm)
-4.42"
(-112.27mm)
15th Driest
Driest since:
1902
112th Wettest
Wettest since:
1942
Jun 1934–May 1937
36-Month
48.14"
(1,222.76mm)
54.21"
(1,376.93mm)
-6.07"
(-154.17mm)
20th Driest
Driest since:
2022
106th Wettest
Wettest since:
1943
Jun 1933–May 1937
48-Month
63.53"
(1,613.66mm)
72.23"
(1,834.64mm)
-8.70"
(-220.98mm)
9th Driest
Driest since:
1956
116th Wettest
Wettest since:
1944
Jun 1932–May 1937
60-Month
79.73"
(2,025.14mm)
90.24"
(2,292.10mm)
-10.51"
(-266.96mm)
5th Driest
Driest since:
2022
119th Wettest
Wettest since:
1987

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